Crookes tube

American  

noun

Electronics.

1. a form of cathode-ray tube.

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Crookes tube British  

noun

1. a type of cathode-ray tube in which the electrons are produced by a glow discharge in a low-pressure gas

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Etymology

Origin of Crookes tube

First recorded in 1880–85; after Sir W. Crookes

Example Sentences

Grubbe simply positioned the Crookes tube over the tumor and turned on the electric current for a few minutes, with little understanding of what would be the appropriate dose.

From Slate • May 4, 2016

The Crookes tube, refined in mechanism, is the common x-ray tube of today, useful to physicists, metallurgists, biologists, doctors, dentists.

From Time Magazine Archive

When the hand is held before a Crookes tube, and is looked at through the cylinder, we can see the bones of the hand or foot almost as clearly as is shown in Figure 2.

From McClure's Magazine, Vol. 6, No. 6, May, 1896 by Various

The speed never depends on the nature of the gas contained in the Crookes tube, but varies with the value of the fall of potential at the cathode.

From The New Physics and Its Evolution by Poincaré, Lucien

My idealizator is the means of transforming psychons to quanta, just as, for instance, a Crookes tube or X-ray tube transforms matter to electrons.

From The Ideal by Weinbaum, Stanley Grauman